VARIASI MORFOLOGI DAN KEKERABATAN IKAN NOMEI PERAIRAN KALIMANTAN SEBAGAI UPAYA KONSERVASI IKAN LAUT LOKAL DI INDONESIA

Abstract

Demersal fish is quite important fish resources in Indonesia. One of the demersal fish that have high economic value, namely Nomei fish (Local Name of North Borneo) and Lomek (Local Name of West Kalimantan), which are both morphologically similar, yet different location. Nomei fish catch has decreased since 2009. There has been no real effort in the determination of conservation strategies. The purposed of this study is to determine the taxonomic status of fish Lomek and Nomei based on morphological characters as a basis in determining conservation strategies. Morphological characters were measured morphometric, meristric, and special characters determinant of species. Based on morphological characters, Fish Nomei and Lomek identified as Harpodon nehereus (Ham.Buch). Special characters are owned by both the fish is similar to the character of the holotype MNHN and the key identification of Weber and Beaufort (1916) and Bleeker (1858) which has long pectoral fins (reaching even exceeds the initial base of the dorsal fin). The fifth character is chosen long tail rod (PBE), total length (TL), high -fat fin (TSL), high head (HD), and height (BD). This is supported by the results of PCA and cluster analysis that supports the grouping. In general, fish populations Lomek and Nomei in both these waters is very critical, so it is necessary conservation strategies to sustain its existence.

Keywords: morphological variation, kinship, nomei fish, conservation